Use the Social Actions Open API to search the SocialActions.com database of volunteer and philanthropy opportunities, called social actions, useful for those interested in peer-to-peer social change...

Based in San Francisco, REFUGE Restrooms is a resource that provides transgender, intersex, and gender nonconforming individuals with access to a library of restrooms with safe environments. Similar...

Geeklist is an online community that offers developers a place to present their work, connect with other developers, and gain credit for achievements. The Geeklist community includes more than 50,000...

From their site: QuarkRank provides the information for making decisions at the point of purchase. QuarkRank has the capability to automatically summarize the opinions of millions of consumer reviews...

hitbox is a live video-streaming service for the gaming community. Individual users can create profiles to broadcast their live games. Visitors to the site can watch live streaming of popular users....

Heatmaps.tf uses open data sources to supply heatmap visualizations of recent killings within the Team Fortress online gaming community. Using the public Heatmaps.tf API, developers may make GET HTTP...

Joyzi.de is a new German music sharing service similar to Soundcloud where artists can post music to connect with listeners who want to discover new music. The Joyzi.de API allows developers to make...

Ello is a social network service without ads. Initially, this project was created to be used privately. Now open access is available to users. However, they need to request an invitation to join the...

With Bike Index, users can register bicycles to protect them from burglars. So far, 31,356 bikes have been registered and over 2,118 stolen bikes have been recovered. In the main site developers can...

Growstuff is an online community of food gardeners. Using their open source platform, gardeners can track seeds they plant, exchange seeds with local gardeners, and learn more about growing their own...

ReliefWeb, a specialized digital service of the United Nations Office of Humanitarian Affairs (OCHA), is a source for timely information on global crises and disasters, enabling humanitarians to make...

LawfulBank is a group of individuals focused on ending debt slavery for the average person. The LawfulBank API allows users to make calls to get lists of friends, get mail, get notifications, and get...

Hackerspaces are community-operated physical places where people can meet and work on their projects. The Space API defines a unified specification across all hackerspaces that can be used to expose...

Crypto::Stocks is a crowdingfunding platform that allows users to fund business ideas using Bitcoins, Litecoins, or Devcoins. The site provides an avnue to get financing for ideas, as well as invest...

Game Banana is a pc game customization community where users share code, learn programming tips and tricks, and participate in the development of new video game technologies. The Game Banana API uses...

Warhammer is an online game where users create a character and explore a mythical realm. The War API allows users to manipulate almost every aspect of the Warhammer Online User interface. The service...

Punkrock.org is a online social hub for information about punk rock music. The community offers access to a variety of media (videos, pictures) community polls, personal and band blogs, current event...

The service provides customized motivational information to promote engagement and sharing in education, healthcare, and online settings. It encourages members to login and interact online, improving...

The Web Blend is an online community platform for designers, developers, and technology enthusiasts. The Web Blend community allows users and members to share relevant news. The Web Blend also posts...